Add 18/84 and 42/56
18/84 + 42/56 is 27/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
18/84 = 18 × 2/84 × 2 = 36/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Add the two like fractions:
36/168 + 126/168 = 36 + 126/168 = 162/168 - 162/168 simplified gives 27/28
- So, 18/84 + 42/56 = 27/28
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